Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
7
pubmed:dateCreated
2011-4-5
pubmed:abstractText
Des-?-carboxy prothrombin (DCP), an aberrant prothrombin produced by hepatocellular carcinoma (HCC) cells, has been shown to be associated with the biological malignant potential of HCC. The aim of this study was to evaluate the effect of DCP on HCC cell growth and metastasis, and to explore the underlying molecular mechanisms. DCP significantly stimulated HCC cell growth, as measured by cell counting kit-8 assay. Transwell chamber assay showed that DCP increased HCC cell migration through reconstituted extracellular matrix (Matrigel). Gelatin zymography assay and Western blot analysis demonstrated that DCP increased the secretion and expression of matrix metalloproteinase (MMP)-2 and MMP-9 in the supernatant of cultured HCC cells and on tumour cell membranes. DCP was found to bind to the cell surface receptor Met, resulting in Met phosphorylation and subsequent activation of the epidermal growth factor receptor (EGFR). Western blot analysis demonstrated that DCP stimulated a sequential kinase phosphorylation cascade including ERK1/2, MEK1/2 and c-Raf, indicating activation of the extracellular signal-regulated kinase/mitogen activated protein kinase (ERK1/2 MAPK) signalling pathway. Furthermore, blocking ERK1/2 MAPK activation with ERK1/2 inhibitor PD98059 essentially abolished the DCP-induced MMP-2 and MMP-9 activity, confirming the signalling pathway of DCP stimulation. Taken together, these results suggested that DCP stimulates HCC growth and promotes HCC metastasis by increasing the activity of MMP-2 and MMP-9 through activation of the ERK1/2 MAPK signalling pathway.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
http://linkedlifedata.com/resource/pubmed/chemical/Biological Markers, http://linkedlifedata.com/resource/pubmed/chemical/Collagen, http://linkedlifedata.com/resource/pubmed/chemical/Drug Combinations, http://linkedlifedata.com/resource/pubmed/chemical/Laminin, http://linkedlifedata.com/resource/pubmed/chemical/MAPK1 protein, human, http://linkedlifedata.com/resource/pubmed/chemical/Matrix Metalloproteinase 2, http://linkedlifedata.com/resource/pubmed/chemical/Matrix Metalloproteinase 9, http://linkedlifedata.com/resource/pubmed/chemical/Mitogen-Activated Protein Kinase 1, http://linkedlifedata.com/resource/pubmed/chemical/Mitogen-Activated Protein Kinase 3, http://linkedlifedata.com/resource/pubmed/chemical/Protein Precursors, http://linkedlifedata.com/resource/pubmed/chemical/Proteoglycans, http://linkedlifedata.com/resource/pubmed/chemical/Prothrombin, http://linkedlifedata.com/resource/pubmed/chemical/Receptor, Epidermal Growth Factor, http://linkedlifedata.com/resource/pubmed/chemical/acarboxyprothrombin, http://linkedlifedata.com/resource/pubmed/chemical/matrigel
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
1879-0852
pubmed:author
pubmed:copyrightInfo
Copyright © 2011 Elsevier Ltd. All rights reserved.
pubmed:issnType
Electronic
pubmed:volume
47
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1115-24
pubmed:meshHeading
pubmed-meshheading:21349701-Biological Markers, pubmed-meshheading:21349701-Carcinoma, Hepatocellular, pubmed-meshheading:21349701-Cell Movement, pubmed-meshheading:21349701-Cell Proliferation, pubmed-meshheading:21349701-Collagen, pubmed-meshheading:21349701-Drug Combinations, pubmed-meshheading:21349701-Gene Expression Regulation, Enzymologic, pubmed-meshheading:21349701-Humans, pubmed-meshheading:21349701-Laminin, pubmed-meshheading:21349701-Liver Neoplasms, pubmed-meshheading:21349701-Matrix Metalloproteinase 2, pubmed-meshheading:21349701-Matrix Metalloproteinase 9, pubmed-meshheading:21349701-Mitogen-Activated Protein Kinase 1, pubmed-meshheading:21349701-Mitogen-Activated Protein Kinase 3, pubmed-meshheading:21349701-Neoplasm Metastasis, pubmed-meshheading:21349701-Phosphorylation, pubmed-meshheading:21349701-Protein Precursors, pubmed-meshheading:21349701-Proteoglycans, pubmed-meshheading:21349701-Prothrombin, pubmed-meshheading:21349701-Receptor, Epidermal Growth Factor, pubmed-meshheading:21349701-Signal Transduction
pubmed:year
2011
pubmed:articleTitle
Des-?-carboxyl prothrombin induces matrix metalloproteinase activity in hepatocellular carcinoma cells by involving the ERK1/2 MAPK signalling pathway.
pubmed:affiliation
Department of Pharmacology, School of Pharmaceutical Sciences, Shandong University, Jinan, China.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't